US Bridges

Patty-Circle Hill over Panther Creek

FairPosted for load

Miami County, Ohio · 0.05 S of CR79 · Structure no. 5533023

Built
1955
70 years old
Condition
Fair
inspected February 2025
Type
Girder and Floorbeam System
Steel
Length
40 ft
1 main span
Daily traffic
385
2018 count
Owner
County
County Highway Agency

About this bridge

Patty-Circle Hill over Panther Creek is a steel girder and floorbeam system carrying Patty-Circle Hill over Panther Creek in Miami County, Ohio. It was built in 1955, so it is 70 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 385 vehicles a day, roughly 8% of them trucks, projected to reach 534 by 2038. The structure is 40 ft (12.2 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPatty-Circle Hill
CrossesPanther Creek
Location0.05 S of CR79
RouteCounty Highway 66
CountyMiami County
StateOhio
Coordinates40.09042, -84.41525
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating17.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2018)
Projected traffic534 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Patty-Circle Hill over Panther Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Patty-Circle Hill over Panther Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does Patty-Circle Hill over Panther Creek carry?

About 385 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Patty-Circle Hill over Panther Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 19 ft wide.

Who owns Patty-Circle Hill over Panther Creek?

It is owned by the County Highway Agency.